non-return trap

基本解释止回汽水阀

网络释义

1)non-return trap,止回汽水阀2)Anti-backflow valve,排水止回阀3)feed water check valve,给水止回阀4)storm valve,止回排水阀5)vaporizing slow-close check valve,汽化缓闭止回阀6)main steam isolation valve,主蒸汽止回阀

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